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Heterocyclic lead(II) thioureato complexes as single-source precursors for the aerosol assisted chemical vapour deposition of PbS thin films

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dc.creator Ketchemen, Kevin IY
dc.creator Mlowe, Sixberth
dc.creator Nyamen, Linda D
dc.creator Aboud, Ahmed A
dc.creator Akerman, Matthew P
dc.creator Ndifon, Peter T
dc.creator O'Brien, Paul
dc.creator Revaprasadu, Neerish
dc.date 2019-05-07T06:48:27Z
dc.date 2019-05-07T06:48:27Z
dc.date 2018
dc.date.accessioned 2021-05-07T09:45:42Z
dc.date.available 2021-05-07T09:45:42Z
dc.identifier http://hdl.handle.net/20.500.11810/5203
dc.identifier https://doi.org/10.1016/j.ica.2018.04.023.
dc.identifier.uri http://hdl.handle.net/20.500.11810/5203
dc.description The lead N’-benzoylthioureato complexes of N-morpholine (1) and N-pyrrolidine (2) were synthesized and characterized by elemental analysis, Fourier Transform Infra-Red (FT-IR) spectroscopy, proton nuclear magnetic resonance (1H nmr) and thermogravimetric analyses (TGA). The X-ray single crystal structure of complex (1) was determined. The compounds were both used as single source precursors to deposit PbS films on glass substrates at 350, 400 and 450 °C using aerosol assisted chemical vapour deposition (AACVD) The surface morphology of PbS films were determined by scanning electron microscopy (SEM), the crystalline phases established by powder X-ray diffraction (p-XRD) analyses and composition by energy dispersive X-ray spectroscopy (EDX). The particle sizes were found to range between 82 and 85 nm from complex (1) and 70–105 nm for (2) The PbS films were studied by Near Infra-red (NIR) UV–Vis spectroscopy, band gap ranging from 1.46 to 1.55 eV were observed.
dc.description Royal Society/Department For International Development (RS-DFID) Africa Capacity Building Initiative and the National Research Foundation (NRF) South Africa through the South African Research Chair Initiative (SARChi)
dc.language en
dc.publisher Inorganica Chimica Acta
dc.subject Single source precursors, Lead sulfide, AACVD, Thin films, Optical properties
dc.title Heterocyclic lead(II) thioureato complexes as single-source precursors for the aerosol assisted chemical vapour deposition of PbS thin films
dc.type Journal Article


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